Physiology of Ear and Nose Flashcards
1
Q
what are the sense organs of taste
A
taste buds
2
Q
what is the lifespan of taste buds
A
10 days
3
Q
where are taste buds present
A
majority sit in papillae of the tongue
also present in palate, epiglottis and pharynx
4
Q
4 types of papillae in the tongue
A
- filiform
- fungiform
- vallate
- foliate
5
Q
which type of tongue papillae is the most numerous
A
filiform
6
Q
which type of tongue papillae do NOT contain taste buds
A
filiform
7
Q
what is ageusia
A
loss of taste function
8
Q
what is hypogeusia
A
reduced taste function
9
Q
what is dysgeusia
A
distortion of taste function
10
Q
neural systems within the nose
A
- Main olfactory system (CN I)
- Trigeminal somatosensory system (CN V)
- (also have The accessory olfactory system (i.e. the vomernasal) and The nervus terminalis (CN 0))
11
Q
what cranial nerve mediates the common odours (rose, chocolate, vanilla)
A
CN I